Base | Representation |
---|---|
bin | 100011100111100100… |
… | …0001100001011111010 |
3 | 21022102200102220202111 |
4 | 1013033020030023322 |
5 | 2223122301143220 |
6 | 55045550522534 |
7 | 5345323544200 |
oct | 1071710141372 |
9 | 238380386674 |
10 | 76489474810 |
11 | 2a4913505a1 |
12 | 129a820644a |
13 | 729ca51888 |
14 | 39b883b070 |
15 | 1eca1d315a |
hex | 11cf20c2fa |
76489474810 has 48 divisors (see below), whose sum is σ = 160755260040. Its totient is φ = 26127427200.
The previous prime is 76489474793. The next prime is 76489474819. The reversal of 76489474810 is 1847498467.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 35697189969 + 40792284841 = 188937^2 + 201971^2 .
It is a super-2 number, since 2×764894748102 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (76489474819) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158341 + ... + 421960.
Almost surely, 276489474810 is an apocalyptic number.
76489474810 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
76489474810 is an abundant number, since it is smaller than the sum of its proper divisors (84265785230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76489474810 is a wasteful number, since it uses less digits than its factorization.
76489474810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 580591 (or 580584 counting only the distinct ones).
The product of its (nonzero) digits is 10838016, while the sum is 58.
The spelling of 76489474810 in words is "seventy-six billion, four hundred eighty-nine million, four hundred seventy-four thousand, eight hundred ten".
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